Workflow & Planning
Amazon and FBA product research made easy. Extract rank, sales volume, estimated revenue and more without entering the product page.
Compare extensions
Tools
Book research for self-publishers: BSR, sales estimates, book age, publisher and niche data on Amazon book pages.
Audience & ratings
Store users
≈300K
2K
Ratings
What stands out
Jungle Scout reports the larger audience. These are store counts, including rounded estimates. The rating difference is 1.17 points across 368 and 5 ratings.
Different categories. Category overlap does not establish that two products serve the same workflow.
Product & publisher
Publisher
Jungle Scout
AuthorScout
Publisher portfolio
1 listing
1 listing
Listing status
Active
Active
Manifest
Version 3
Version 3
Package size
1.63MiB
231KiB
Permissions & access
Requested capabilities describe access, not developer intent or a safety verdict.
API permissions
6 requested
- tabs
- storage
- scripting
- unlimitedStorage
- alarms
- declarativeNetRequestWithHostAccess
3 requested
- storage
- alarms
- identity
Website patterns
1 recorded
- https://*/*
11 recorded
- https://www.amazon.com/*
- https://www.amazon.co.uk/*
- https://www.amazon.ca/*
- https://www.amazon.de/*
- https://www.amazon.fr/*
- https://www.amazon.es/*
- https://www.amazon.it/*
- https://www.amazon.co.jp/*
- https://www.amazon.in/*
- https://www.amazon.com.mx/*
- https://kdpscout-backend-production.up.railway.app/*
Releases
Explore the release history
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Create your free accountEvidence behind this comparison
Both listings observed 2 Oct 2026.
Store users and ratings are observations, not revenue or lifetime installs. A larger audience or a higher score does not establish product quality.
How Earlygap collects evidenceReplace an extension
Your comparison
2 of 2 selected
Jungle ScoutWorkflow & Planning
AuthorScout (formerly KDP Scout)Tools